| アイテムタイプ |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2024-07-18 |
| タイトル |
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タイトル |
Radiation-induced amorphization behavior of thermally-aged M23C6 in F82H-BA12 steel |
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言語 |
en |
| 言語 |
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言語 |
eng |
| 資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
| 著者 |
Sho Kano
Huilong Yang
Reuben Holmes
Ando Masami
Hamaguchi Dai
Nozawa Takashi
Tamaki Shibayama
Hiroaki Abe
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| 抄録 |
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内容記述タイプ |
Abstract |
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内容記述 |
To improve the understanding of the microstructural stability of F82H under fusion reactor environments, the synergistic effects of irradiation and thermal aging on the instability of M23C6 particle was investigated utilizing ion accelerator irradiation. Results show that the W-rich Laves phase growing along the grain boundaries was observed in the specimen after thermal aging at 773 K up to 10,000 hr. A bilayer contrast of the M23C6 particles consisting of an amorphous-rim and inner crystalline core was observed in the specimen irradiated by 10.5 MeV-Fe3+ at 623 K, but not in the specimen irradiated at 673 K, demonstrating that the critical temperature of the radiation-induced amorphization (RIA) in thermally aged M23C6 particles falls in the range of 623?673 K. These results show that thermal aging seems to play an insignificant role in the RIA behavior of M23C6 particles. Regarding the radial distribution function analysis, a relatively poor crystallinity was observed in the unirradiated thermally aged M23C6 particles, while the crystallinity was improved in the specimen irradiated at 673 K, which is ascribed to enhanced diffusion at elevated temperatures. Results indicate that the temperature-dependent point defect generation and recovery is the key factor related to the occurrence of RIA in M23C6 particles. |
| 書誌情報 |
Journal of Nuclear Science and Technology
巻 60,
号 10,
p. 1244-1257,
発行日 2023-03
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| 出版者 |
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出版者 |
Taylor and Francis |
| ISSN |
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収録物識別子タイプ |
ISSN |
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収録物識別子 |
1881-1248 |
| DOI |
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識別子タイプ |
DOI |
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関連識別子 |
10.1080/00223131.2023.2188271 |
